FLIF (Free Lossless Image Format) was an experimental lossless format that beat PNG on compression, now superseded by FUIF/JPEG XL.
FLIF opens in a few specialist viewers and the reference decoder; convert to PNG for everyday compatibility.
Share, post and embed pictures across sites and apps.
Work with the format in editors like Photoshop and GIMP.
Keep memories and assets in a widely-readable form.
| ✔ Strengths | ✖ Limitations |
|---|---|
| Lossless — keeps full quality | No transparency support |
| Excellent compatibility | Limited support — may need converting |
Remove the background from FLIF images, upscale to 4K, or generate new visuals with SharkFoto AI.
FLIF (Free Lossless Image Format) was an experimental lossless format that beat PNG on compression, now superseded by FUIF/JPEG XL.
FLIF opens in a few specialist viewers and the reference decoder; convert to PNG for everyday compatibility.
Yes — FLIF preserves full quality with no compression loss.
Use SharkFoto's free tools — upload your FLIF file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.
No — FLIF doesn't store transparency; convert to PNG or WEBP if you need it.